fan principle 中文意思是什麼

fan principle 解釋
扇型原理
  • fan : n 1 扇子;風扇,鼓風機。2 簸箕;揚谷機;(風車的)定風翼;【航空】螺旋槳,螺旋槳葉片。3 扇狀物(...
  • principle : n. 1. 原理,原則。2. 主義;政策;〈常 pl. 〉道義;節操。3. 本質,本體,根源;本原,源泉。4. 本性,本能;天然的性能;天賦的才能;動因,素因。5. 【化學】素,要素;精。
  1. Based on the same principle of floating stability calculation of rectangle caisson, the moment of inertia of gravity axis of the fan shape is transformed through coordinate transformation formula, and the general formula and calculation method of floating stability for c limier caisson with partition ails are obtained

    摘要引用矩形沉箱浮遊穩定計算的相同原理,把扇形重心軸的慣性矩通過轉軸公式的轉換,再經數學證明,得到帶箱格圓形沉箱浮遊穩定計算的通用公式和計算方法。
  2. In next section, on basis of discussing negative - pressure - adjusting principle, detailedly summarizes rules of changing negative pressure by adjusting rotate speed of fan motor. then it gives a fuzzy algorithm for the controlling of negative pressure in sliding sealed suction cup

    第六,討論了風機負壓控制原理,詳細總結了風機負壓控制規則,開發了滑動密封吸盤負壓模糊控制演算法。
  3. Abstract : this paper introduces the fan ' s principle and ways saving electricity by governing speed

    文摘:介紹通風機通過調節速度節省電能的原理和方法。
  4. In this dissertation the principle and parameter optimization of the fan of the 4ztl - - 1800 stripping combine harvester are invested with laboratory experiments and theoretical analysis to reduce the noise of the fan, and the pneumatic characteristics of the pneumatic conveying system are invested initially

    本文在導師蔣恩臣教授的研究基礎上,採取結構優化的方法對風機降噪進行了較深入的理論與實驗研究,同時對吸運系統的氣動特性也進行了初步的試驗研究。
  5. In the chronstratigraphic framework, the facies, the depositional system and the principle and range of reservoirs distribution are studied. the main depositional system is braided delta ? ub - lake fan. the coarse lithofacies which form braided delta depositional system is sub - water channel deposits ; the coarse lithofacies which form the sub - lake fan depositional system include turbidity channel deposits and bedded turbidity deposits

    在等時地層格架內,總結了各個中期旋迴的沉積相類型、沉積體系和展布規律及范圍,認為研究區在該時期以辮狀三角洲?湖底扇沉積為主;構成辮狀三角洲的粗碎屑相為水下分支河道;構成湖底扇的粗碎屑相包括:濁流水道相、層狀濁積巖相。
  6. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇有限帶寬窗有較好的空間解析度,三角形窗有較好的密度解析度,選擇餘弦窗則使得空間解析度與密度解析度的折衷;從窗函數的頻譜角度來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db帶寬b ,即最小的主瓣寬度; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速度d ;就內插函數而言,臨近點內插與線性內插重建圖像噪聲大,但有較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  7. This paper is based on the theory of environmental science, systematology and noise control engineering. noise control system and comprehensive harness of fan room have been researched. by the investigate, and measure of fan room noise. sound production principle, acoustics characteristic and the law of attenuation propagation have been analyzed. thus, the sound field model of fan roo has been put for put forward ward

    本文以環境科學、系統科學和噪聲控制學為理論基礎,對風機房噪聲控制系統及其綜合治理進行研究,通過對風機房噪聲污染調查監測,分析其發生機理、聲學特性和傳播過程衰減規律。
  8. Analysis of petroleum geology, reservoir types and distribution in lujiapu depression indicates that : the forming and distribution of reservoirs had been controlled by source area, source - reservoir relationship, petrophysical characteristics, sedimentary facies and secondary structure, and oil is most abundant in reservoirs around hydrocarbon kitchen ; the upper member of jiufutang formation which was entrained or embedded in the main oil source layer has well developed reservoir and good petrophysical property and is the principle oil - bearing interval ; the mid - fan and fan delta front of nearshore submarine fan is the most favorite facies ; the steep slope of the depression mainly consists of structural reservoirs, the slope belt mainly consists of structural - lithologic and updip pinchout reservoirs, the depressed belt mainly consists of lenticular lithologic reservoirs

    摘要對陸家堡凹陷油藏形成的石油地質條件、已知油藏類型及分佈的分析認為:生油區、生儲配置關系、儲集物性、沉積相帶和二級構造帶控制了油藏的形成和展布,其中圍繞生油窪陷的油藏含油最豐富;夾持或嵌入主要生油層中,儲層發育、儲集物性又相對較好的九佛堂組上段是主要含油層段;近岸水下扇的扇中和扇三角洲前緣是最有利的相帶:凹陷的陡坡帶以構造油藏為主,斜坡帶以構造巖性及儲層上傾尖滅油藏為主,深陷帶主要為透鏡狀巖性油藏。
  9. Abstract : based on the analysis of the characteristics of the wetpurification of the flue gs with high temperature and the working principle of an induced fan, this paper researched and discussed the selection of the induced fan in a negative pressure system for the flue gas purification with high temperature

    文摘:本文通過高溫煙氣濕式凈化特性與引風機工作原理的分析,論述了在高溫煙氣濕式凈化負壓系統中的引風機選配。
  10. On the base of the related research achievement, the structure and characteristics of annular fan beam sensor, principle of light scanning, image reconstruction, image explanation and system frequency domain analysis are thoroughly researched. there will be a helpful exploration for developing and utilizing the novel optical measurement technique

    在國內外相關研究進展的基礎上,對環形扇束光學傳感結構及特性、光線掃描原理、圖像重建、圖像解釋和系統綜合分析等方面進行了深入的研究,為進一步開發利用該項新型光測技術進行了有益的探索。
  11. This article introduces the principle of deb and features of its function blocks. the article studies the difference, advantages and disadvantages of co - ordination control strategy under the direct energy balance and indirect energy balance. it introduces the configuration and way of max1000 + plus distributed control system, studies the characteristics and its influence to the operation of coordination control of the subsystems of mill, primary air fan etc. deeply and systematically

    本文介紹了直接能量平衡控制( deb )的原理及其功能塊的特點,研究了直接能量平衡和間接能量平衡兩種方式下協調控制策略的差異和優劣,介紹了max1000 + plus分散控制系統的組態及方法,深入而系統的研究了磨煤機,一次風機等子系統的特性及對協調控制系統投入的影響。
  12. Presents the control characteristics, charging basis and principle of central air conditioning systems by taking fan coil air conditioning system as examples and gives a feasible charging method based on cooling metering

    摘要以風機盤管空調系統為例,介紹了集中空調系統的控制特點、計費依據和計費原理,在冷量計量的基礎上給出了一種可行的計費方法。
  13. Based on the introduction of the systematic structure and working principle of pet, the thesis mainly described the realization of the partial function in the mechanical and electrical control system. furthermore, the thesis referred the design of a new circuit of fan - out of high frequency clock

    本文在介紹正電子發射斷層掃描儀系統結構及工作原理的基礎上,著重對該儀器機電控制系統的部分功能實現作了詳盡描述,並且介紹了一種新型的高頻時鐘扇出電路的設計。
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